//非遞歸實現static int[] fun(int num){int result[]= new int[num];for (int i = 1; i <= num; i++) {if(i<3){result[i-1]=i-1;}else{result[i-1]=result[i-2]+result[i-3];}}return result;}
//遞歸實現static int method(int num){int result = 0;if(num <= 2){result = --num;}else{result = method(num-1)+method(num-2);}return result;}